//import mathlib.*
//import kotlinx.cinterop.*
//import kotlin.experimental.ExperimentalNativeApi


//@OptIn(ExperimentalForeignApi::class)
//fun main() {
//    // 调用C函数
//    val sum = add(5, 3)
//    println("5 + 3 = $sum")
//
//    val product = multiply(2.5, 4.0)
//    println("2.5 * 4.0 = $product")

//}

//@OptIn(ExperimentalNativeApi::class)
//@CName("nativeFunction")
//fun nativeFunction111111111111111(): String {
//    return "Hello from Kotlin/Native."
//}